#B13747#B13747
#B13747 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.157 H 17.1°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B13747 |
|---|---|
| RGB | rgb(177, 55, 71) |
| HSL | hsl(352, 53%, 45%) |
| HSV | hsv(352, 69%, 69%) |
| CMYK | cmyk(0%, 68.9%, 59.9%, 30.6%) |
| CIE-LAB | lab(42.06, 50.27, 18.88) |
| CIE-LCH | lch(42.06, 53.70, 20.58°) |
| OKLab | oklab(52.01% 0.1503 0.0462) |
| OKLCH | oklch(52.01% 0.157 17.1) |
| XYZ | xyz(20.6370, 12.5373, 7.2933) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dusty Red
#B9484E
ΔE00 4.47
Rose Red
#BE013C
ΔE00 4.61
Cardinal
#C41E3A
ΔE00 4.67
Rouge
#AB1239
ΔE00 5.24
Ruby
#CA0147
ΔE00 5.30
Light Maroon
#A24857
ΔE00 5.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B13747 #37B1A1
analogous
#B13784 #B13747 #B16437
triadic
#B13747 #47B137 #3747B1
tetradic
#B13747 #84B137 #37B1A1 #6437B1
square
#B13747 #84B137 #37B1A1 #6437B1
split-complementary
#B13747 #37B164 #3784B1
monochromatic
#541A22 #822834 #B13747 #CC5A69 #DA8893
Accessibility & contrast
On white
5.99
#B13747 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#B13747 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B13747
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B13747 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B13747 | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#575347
Deuteranopia (green-blind)
#766D44
Tritanopia (blue-blind)
#C21A3E
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b13747; /* rgb */ color: rgb(177, 55, 71); /* oklch */ color: oklch(52.0% 0.157 17.1);
Tailwind
colors: {
custom: {
50: '#cf767a',
500: '#b13747',
950: '#000000',
},
}SCSS
$custom: #b13747; $custom-light: #cf767a; $custom-dark: #000000;
JSON
{
"hex": "#b13747",
"rgb": {
"r": 177,
"g": 55,
"b": 71
},
"hsl": {
"h": 352.131,
"s": 52.586,
"l": 45.49
},
"oklch": {
"l": 0.52006,
"c": 0.15725,
"h": 17.1
},
"luminance": 0.12534
}Semantic roles & 50–950 ramp
primary
#B13747
secondary
#80C4BB
accent
#DCC94C
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150909
muted
#837B7B